package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    //新增分类
    @PostMapping
    public R save(@RequestBody  Category category){
        boolean save = categoryService.save(category);
        return save? R.success("新增分类成功"):R.error("新增分类失败");
    }

    //分页查询
    @GetMapping("/page")
    public R page(int page,int pageSize){
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    //删除-根据id
    @DeleteMapping
    public R delete(long id){

        categoryService.remove(id);

        return  R.success("分类信息删除成功");
    }

    //修改-根据id
    @PutMapping
    public R update(@RequestBody Category category){
        //拿到category里的id,进行修改操作
        categoryService.updateById(category);

        return R.success("修改分类信息成功");
    }


    // 根据条件查询分类数据(下拉框)
    @GetMapping("/list")
    public R list(Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);//
        return R.success(list);
    }
}
